| Name | Hammel, B. E., Grayum, M. H. & de Nevers, G. C. |
| Agent type | Team/Group |
| First date collected | 1986 |
| Remarks | [collector note: BM, CR, F, MEXU, MO, NY, PMA, U] |
| ASA Botanist ID | 152837 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/22476a42-9b56-4414-b64a-4eafc77f8cf2 |
| Standard/Label Name | B. E. Hammel, M. H. Grayum & G. C. de Nevers |
| Full Name | Hammel, B. E., Grayum, M. H. & de Nevers, G. C. |
| Geography Collector | Costa Rica |
| Specialty Collector | Phanerogams |
| Citation as Collector | Novon; a Journal for Botanical Nomenclature. St. Louis, MO |
| Team Members: | Hammel, Barry E. Grayum, Michael Howard de Nevers, Gregory Clark |